This chart was developed at the National Vision Research Institute of Australia in , and is designed to enable a more accurate estimate of acuity than do other charts e. When using the LogMAR chart, visual acuity is scored with reference to the Log arithm of the M inimum A ngle of R esolution, as the chart's name suggests. An observer who can resolve details as small as 1 minute of visual angle scores LogMAR 0, since the base logarithm of 1 is 0; an observer who can resolve details as small as 2 minutes of visual angle i. The Snellen chart , which dates back to , is also commonly used to estimate visual acuity. Each letter has a score value of 0.
|Published (Last):||15 September 2014|
|PDF File Size:||3.39 Mb|
|ePub File Size:||5.79 Mb|
|Price:||Free* [*Free Regsitration Required]|
The most accurate, advanced visual acuity screening app for iPhone and iPod Touch. Over 1,, people have downloaded our mobile electronic eye charts for iOS. This version is our best for iPhone, and it's now completely free. Simply press a button to randomize the entire eye chart, or touch an individual line of the chart to randomize that line. Swipe right for the chart selector. Eye care professionals around the world use Snellen Eye Charts to measure visual acuity.
However, patients often memorize the classic Snellen chart, leading to less accurate vision measurements. Enter EyeChart! Though this unique, pocket-sized randomizable eye chart should not be used as a primary visual acuity measuring tool, it can provide a handy rough vision screen when a chart is not available, or it can be used to complement static, wall-based Snellen charts. Please let us know if you have any questions about your subscription at eyechartapp gmail.
Compatible con iPhone, iPad y iPod touch. Precio Gratis. Random Eye Chart. Eye Chart HD. Eye Chart Pro Remote Control. Eye Chart Premium Remote Control.
Pedi STAT. Eye Handbook. Eye Test Snellen Ishihara.
Cartilla de Snellen a color C, D, E, F, L, O de 23 x35.5 cm Precision Vision
Account Options Sign in. Top charts. New releases. Add to wishlist. This mHealth application intent is to provide and empower mobile regular users and health professionals with the tool with which they can estimate their or others visual acuity, based on a classical Snellen Chart Test. This App is innovative because it transforms an old style poster test design in a new, modern, intuitive, ubiquitous test.
Explicación de los examenes de la vista
Snellen Chart - stock illustration